package com.ruoyi.system.Fdongbei.mapper;

import org.apache.ibatis.annotations.Select;

/**
 * <p>
 *  Mapper 接口
 * </p>
 *
 * @author fufeng
 * @since 2024-12-11
 */
public interface TbHmdMapper {


    @Select(" select count(*) from tb_hmd where car_num = #{chehao} ")
    public int counthmd(String chehao);




}
